Anderson Cooper 360

White House In Clean-Up Mode After Pres. Trump's Chief Of Staff Admits To Quid Pro Quo With Ukraine; Mulvaney Admits To Quid Pro Quo With Ukraine: "Get Over It. There's Going To Be Political Influence In Foreign Policy"; Source: Trump Legal Team Stunned By Mulvaney Performance In Briefing, Says "It WAs Not Helpful"; Mulvaney Contradicts Pres. Trump Denials Of No Pro Quo On Ukraine, Admits U.S. Aid Was Tied To President's Push To Investigate Democrats; WSJ: Pres. Trump Agreed For The Need For Mulvaney To Walk Back His Comments, Personally Approved The White House Statement; Mulvaney Admits To Quid Pro Quo With Ukraine Despite Repreated Trump Denials That Any Deal Such Existed; Mulvaney Admits To Quid Pro Quo With Ukraine: "Get Over It. There's Going To Be Political Influence In Foreign Policy" ; Rep. Elijah Cummings, Key Democrat Leading Trump Impeachment Inquiry, Dies At 68; Trump Appointee Sondland: President Directed Diplomats To Work With Rudy Giuliani On